1. Ksenofont aleksandrovich Kocheshkov (on his eightieth birthday)

   Announcement Pages: 2575 - 2575

2. Kuz'ma Andrianovich Andrianov (on his seventieth birthday)

   Announcement Pages: 2576 - 2576

3. Kinetics of the adsorption of a mixture of two substances from a flux

   • P. P. Zolotarev
   • V. M. Starov

   Physical Chemistry Pages: 2577 - 2581

4. The valence state of chromium ions contained in the active sites of dehydrocylization of paraffin hydrocarbons on aluminochromium catalysts

   • M. I. Rozengart
   • K. M. Gitis
   • V. G. Bryukhanov

   Physical Chemistry Pages: 2582 - 2585

5. Mechanisms op the isomerization of olefins on oxide catalysts

   • Gy. Gáti

   Physical Chemistry Pages: 2586 - 2590

6. Mechanisms of the isomerization of olefins on oxide catalysts

   • Gy. Gáti

   Physical Chemistry Pages: 2591 - 2595

7. Investigation of the pathways of initiation of the liquid-phase oxidation of cumene in the presence of platinum and palladium catalysts

   • Yu. D. Norikov
   • A. L. Smirnova

   Physical Chemistry Pages: 2596 - 2598

8. Mechanism of the catalytic epoxidation of olefins by hydroperoxides in the presence of complex compounds of Mo(VI)

   • I. P. Skibida
   • P. Kok

   Physical Chemistry Pages: 2599 - 2604

9. Temperature dependence of the rate of rapid reactions of proton transfer in aqueous solution

   • M. N. Vargaftik
   • L. A. Katsman
   • Ya. K. Syrkin

   Physical Chemistry Pages: 2605 - 2610

10. Calculation of complexes with charge transfer and their spectra by the pariser-parr-pople method considering configurational interaction

    • D. M. Kizhner
    • B. F. Minaev
    • I. G. Orlov

    Physical Chemistry Pages: 2611 - 2615

11. Kinetics of the cross cannizzaro reaction of anisic aldehyde with formaldehyde in aqueous solutions of KOH

    • G. G. Bikbaeva
    • I. S. Kislina
    • M. I. Vinnik

    Physical Chemistry Pages: 2616 - 2620

12. Ir spectra of complexes of HCL and HBR with tetramethylethylene, isolated in solid argon

    • Ya. M. Kimel'feld'
    • E. M. Smirnova
    • E. P. Eremina

    Physical Chemistry Pages: 2621 - 2623

13. Vibrational spectra of bis-π-allylpalladium and bis-π-allylplatinum

    • T. B. Chenskaya
    • L. A. Leites
    • L. N. Lorens

    Physical Chemistry Pages: 2624 - 2628

14. Determination of the conformations of conjugated systems of the diphenyl type by a refractometric method

    • B. A. Zaitsev
    • G. I. Khramova

    Physical Chemistry Pages: 2629 - 2635

15. Influence of neighboring multiple bonds and heteroatoms on the ionization potentials of alcohols and ethers

    • B. A. Trofimov
    • U. Kh. Mël'der
    • N. A. Nedolya

    Physical Chemistry Pages: 2636 - 2643

16. Photochemical processes in solutions of aromatic compounds of elements of group IIIB

    • K. L. Rogozhin
    • A. N. Rodionov
    • K. A. Kocheshkov

    Physical Chemistry Pages: 2644 - 2646

17. Radiolysis of hydrocarbons in the presence of carboranes

    • T. Ya. Livertovskaya
    • M. F. Romantsev
    • B. M. Mikhailov

    Physical Chemistry Pages: 2647 - 2648

18. Characteristics of mechanism for formation of cyclopentanes on alumina-platinum catalysts

    • O. V. Bragin
    • A. V. Preobrazhenskii
    • B. A. Kazanskii

    Organic and Biological Chemistry Pages: 2649 - 2653

19. Catalytic cyclotrimerization of ethylene to benzene

    • O. V. Bragin
    • A. V. Preobrazhenskii
    • A. L. Liberman

    Organic and Biological Chemistry Pages: 2654 - 2659

20. Reduction of β-dicarbonyl compounds with sodium borohydride

    • N. K. Levchenko
    • G. M. Segal'
    • I. V. Torgov

    Organic and Biological Chemistry Pages: 2660 - 2664

21. Oxidation of 2-carene by means of potassium permanganate

    • B. A. Arbuzov
    • V. V. Ratner
    • N. Kh. Abaeva

    Organic and Biological Chemistry Pages: 2665 - 2667

22. α-Bromo ketones of bicyclo [3.3.1]nonane series communication 1

    • I. V. Zavarzin
    • T. A. Klimova
    • S. S. Novikov

    Organic and Biological Chemistry Pages: 2668 - 2670

23. Reaction of dihalocarbenes with 2-alkenylfurans

    • O. M. Nefedov
    • V. M. Shostakovskii
    • M. I. Kravchenko

    Organic and Biological Chemistry Pages: 2671 - 2675

24. Paramagnetic 1-oxyl-3-imidazolinium salts

    • V. A. Golubev
    • V. D. Sen'
    • É. G. Rozantsev

    Organic and Biological Chemistry Pages: 2676 - 2679

25. Synthesis and some transformations of tosyl derivatives of 4-imidazolin-2-one and 4-imidazoline-2-thione

    • S. I. Zav'yalov
    • N. A. Rodionova
    • I. V. Shcherbak

    Organic and Biological Chemistry Pages: 2680 - 2683

26. Reaction of diethylboron chloride with salts of primary nitroalkanes and some functionally substituted nitro compounds

    • O. P. Shitov
    • L. M. Leont'eva
    • V. A. Tartakovskii

    Organic and Biological Chemistry Pages: 2684 - 2691

27. Reaction of cyclopentadienylmanganese tricarbonyl with phosphorus trichloride in presence of aluminum chloride

    • A. N. Nesmeyanov
    • K. N. Anisimov
    • Z. P. Valueva

    Organic and Biological Chemistry Pages: 2692 - 2695

28. Atranes

    • M. G. Voronkov
    • V. M. D'yakov
    • N. M. Kudyakov

    Organic and Biological Chemistry Pages: 2696 - 2697

29. Glycolipids of Streptococcus diacetilactis

    • S. G. Batrakov
    • E. F. Il'ina
    • L. D. Bergel'son

    Organic and Biological Chemistry Pages: 2698 - 2704

30. Glycolipids of Streptococcus Diacetilactis

    • S. G. Batrakov
    • N. A. Ushakova
    • L. D. Bergel'son

    Organic and Biological Chemistry Pages: 2705 - 2708

31. Reaction of O-ethyl S-(β-a lkylmercaptoethyl) phenylthiophosphonates and their methiodides with cholinesterases

    • M. Kh. Bekanov
    • A. P. Brestkin
    • O. I. Smirnov

    Organic and Biological Chemistry Pages: 2709 - 2711

32. Inhibition of cholinesterases by O,O-dipropyl S-(β-arylmethylaminoethyl) thiophosphates and their methiodides

    • A. P. Brestkin
    • I. L. Brik
    • S. A. Trifonova

    Organic and Biological Chemistry Pages: 2712 - 2715

33. Microcalorimetric study of complexing of polystyrene with tetracyanoethylene

    • I. G. Orlov
    • A. A. Velikov
    • K. K. Koshelev

    Brief Communications Pages: 2716 - 2717

34. Spectral study of complexes of dialkyl(aryl) phosphites and trialkyl(phenyl) phosphates with phenol

    • O. A. Raevskii
    • Yu. A. Donskaya
    • M. M. Gilyazov

    Brief Communications Pages: 2718 - 2720

35. Method for synthesis of quaternary ammonium salts

    • I. L. Kotlyarevskii
    • N. A. Tkacheva

    Brief Communications Pages: 2721 - 2722

36. Alkylation of aromatic hydrocarbons with cyclopolyenes

    • V. P. Yur'ev
    • G. A. Tolstikov
    • L. V. Spirikhin

    Brief Communications Pages: 2723 - 2724

37. Diaziridine-3,3-dicarboxylic acid derivatives

    • R. G. Kostyanovskii
    • G. V. Shustov
    • V. I. Markov

    Brief Communications Pages: 2725 - 2728

38. Reaction of 2-methyl-6-p-bromophenyl-3,5-hexadiyn-2-ol with alcohols and ketones

    • I. I. Danda
    • A. N. Volkov
    • Yu. M. Skvortsov

    Brief Communications Pages: 2729 - 2730

39. Determination of internal diffusion coefficients from experimental kinetic curves for spherical and cylindrical granules of an adsorbent with a bidisperse porous structure during adsorption from a restricted volume

    • P. P. Zolotarev
    • V. I. Ulin

    Brief Communications Pages: 2731 - 2733

40. Generation of cyclohexene-s-phenylepisulfonium fluoborate and its reaction with nucleophilic reagents

    • É. A. Vorob'eva
    • M. Z. Krimer
    • V. A. Smit

    Brief Communications Pages: 2734 - 2736

41. Decomposition of tetralin hydroperoxide catalyzed by nickel acetylacetonate

    • L. I. Matienko
    • I. P. Skibida
    • Z. K. Maizus

    Brief Communications Pages: 2737 - 2739

42. Solvent effect in michaelis-becker reaction

    • A. V. Fokin
    • A. F. Kolomiets
    • M. G. Iznoskova

    Brief Communications Pages: 2740 - 2743

43. Nucleophilic opening of thiirane ring by hydroxy compounds

    • A. V. Fokin
    • A. F. Kolomiets
    • L. S. Rudnitskaya

    Brief Communications Pages: 2744 - 2745

44. Reaction of indenyl derivatives of tin R₃SnC₉H₇ with dimeric cobalt, manganese, and rhenium carbonyls

    • K. N. Anisimov
    • N. E. Kolobova
    • V. N. Khandozhko

    Brief Communications Pages: 2746 - 2748

45. Free-radical dehydrogenation of 18,19-bisnor-D-homo-Δ^1,3,5,(10),8-steroids with cyanogen iodide

    • K. A. Gevorkyan
    • G. M. Segal'
    • I. V. Torgov

    Brief Communications Pages: 2749 - 2750

46. Absolute rate constants of reactions of hydrated electron with neptunium and plutonium ions in aqueous carbonate solutions

    • A. K. Pikaev
    • M. P. Mefod'eva
    • V. I. Spitsyn

    Brief Communications Pages: 2751 - 2752

47. Crystalline splittings of lines of³⁵Cl NQR spectra of phosphorus acid chlorides

    • V. V. Saatsazov
    • T. L. Khotsyanova

    Brief Communications Pages: 2753 - 2753

48. ³⁵Cl,⁷⁹Br, and¹²⁷I NQR spectra of some halogen-containing organoselenium compounds

    • V. V. Saatsazov
    • T. L. Khotsyanova
    • E. V. Bryukhova

    Brief Communications Pages: 2754 - 2755

49. Synthesis and some transformations of thienylbutynones

    • L. V. Timokhina
    • A. S. Nakhmanovich
    • T. P. Shcherbinina

    Brief Communications Pages: 2756 - 2757

50. Accelerating effect of carbon monoxide as a function of its concentration and the reaction temperature during hydropolymerization of lower olefins

    • Ya. T. Éidus
    • N. I. Ershov
    • S. D. Pirozhkov

    Brief Communications Pages: 2758 - 2760